Family builds twin underground homes in ancient mountain farm by Kirsten Dirksen on February 28, 2022 René Douma and his mom Marianne began building houses into the hillside on the family farm without any experience in …
Wasp 3D-prints eco-homes from local raw earth for $1K by Kirsten Dirksen on December 26, 2021 After years of creating machines to 3D-print rubber, recycled plastics, clay, and geopolymers, the Italian start-up WASP created a 3D-Printer …